Asian netvein hollyfern
Cyrtomium fortunei · Dryopteridaceae
📷 Denis.prévôt · CC BY-SA 3.0
The gardener's calendar
Ideal time to plant asian netvein hollyfern: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Foliage
- Evergreen
- Plant type
- Fern
- Adult height
- 60 to 80 cm
- Growth
- Slow to moderate
- Hardiness
- Down to approximately -10°C
- Origin
- China, Japan, Himalaya
- Soil type
- Rich, well-draining, slightly acidic
✓ Taxonomy verifiedSource: AI estimate · hardiness: reliability medium.
Expert tips
The key tip
Cyrtomium fears winter dryness and dry air: keep the soil lightly moist even in winter, in dappled partial shade. Perfect under light woodland or in front of a north-facing window.
The common mistake
Exposing it to direct sun or dry wind: the fronds yellow and dry out irreversibly, even if the soil is moist.
The pro's trick
Mist the fronds lightly once a week indoors or during dry winters: this mimics the natural humidity of its habitat and revives its color.
Seasonal watch
In autumn–winter, if the air becomes very dry (indoor heating or lack of rain), red spider mites infest the fronds.
Care
Light Requirements
Fortune's Holly Fern prefers partial shade or full shade. Position it away from direct sunlight, which may scorch its delicate foliage. An indirectly lit spot or under tree cover works perfectly.
Watering
Keep the soil regularly moist without waterlogging it. Water moderately, allowing the surface to dry slightly between waterings. In winter, reduce watering but never let the soil dry out completely.
Soil and Substrate
Prepare a substrate rich in organic matter (potting mix, compost) with good drainage capacity. Add sphagnum moss or coco fiber to retain moisture. A slightly acidic pH is ideal for this fern.
Pruning and Cleaning
No pruning is necessary. Simply remove dead or damaged fronds by cutting them at the base with clean scissors. Regular dust removal from the fronds promotes photosynthesis.
Fertilizing
Apply a highly diluted balanced fertilizer (NPK) once or twice a month during the growing season (spring and summer). Ferns dislike high concentrations; be cautious and prefer light, regular feeding.
Pests and Diseases
Watch for spider mites and mealybugs, especially in dry air. Sufficient ambient humidity strengthens resistance. In case of infestation, rinse the fronds with clear water or use a gentle treatment suitable for ferns.
Did you know?
Cyrtomium fortunei owes its scientific name to British botanist and plant collector Robert Fortune, who brought many Asian species back to Europe in the 19th century. This robust, evergreen fern was once very popular in Victorian European gardens, where it adorned fern houses and shaded greenhouses.
Where to buy it
Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.
Add this plant to my garden →Plants from the same family
- Scaly Male FernDryopteris affinis
- Soft shield fernPolystichum setiferum
- Sword fernPolystichum munitum
- Autumn fernDryopteris erythrosora
- Japanese holly fernCyrtomium falcatum
- Korean rock fernPolystichum luctuosum
Tips generated and checked by Viridia — adapt them to your local climate.